Band-saw stave-jointer



E. F. BEUGLER. BAND SAW STAVE JOINTER.

APPLICATlON FILED FEB. 5.1917.

Patented May 27, 1919.

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ATTURNEYS.

E. F. BEUGLER. BAND SAW STAVE IOINTERf APPLICATION FILED FEB. 5. I9I7.

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Patented May 27, 1919.

/QTTD RNEYS.

E. F. BEUGLER. BAND SAW STAVE ,WINT-ER.

APPLICATION man FEB.6.1917.

Patented May 27, 1919'.

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BAND SAW STAVE JOINTER..

APPLICATION man fE.e.1911.

Patented May 27, 1919,

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ATTEJFQNEYE E. F. BEUGLER.

BAND SAW sTAvE 101mm.

APPucATloN FILED FEB. 611911.

Patented May 27, 1919,

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E. F. BEUGLEH".

BAND SAW STAVE WINTER.

APPLICATION FILED FEB. 6. 1917.

Patented May 27, 1919.

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E. F. BEUGLER.

BAND SAW STAVE JOINTER.

APPLICATION FILED FEB. e. 1917.

Patented My27,1919.

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EDWIN-F. BEUGLER, F BUFFALO, NEW YORK, ASSIGNOR TO E. & B. HOLMESMACHINERY COMPANY, OF BUFFALO, NEW YORK, A CORPORATION OF NEW YORK.

BAND-SAVJ' STAVE-JOINTER.

Application ined February e, 1917.

T 0 all ywhom I? may concern.'

Be it known that I, EDWIN F. BEUGLER, a citizen of the United States,residing at Buffalo, in the county of Erie and State of New York, haveinvented new and useful Improvements in Band Saw Stave- Jointers, ofwhich the following is a specification.

This invention relates toa band saw stave jointer and it has for itsobjects the provision of improved means for tightening the band saw,preventing` it from running ofi of the supporting wheels about which itruns and also preventing displacement of the same while the stave blankis being operated upon; also to provide improved means for guiding theband saw and giving the same the proper curvature corresponding to thedesired bilge which is to be given to the barrel; also to provideimproved neans for feeding and presenting the stave blanks to the bandsaw; also to improve the means whereby the stave blanks are gagedpreparatory to being cut and held in place during the cuttingope-ration; and to iuprove the machine in several other details ofconstruction.

In the accompanying drawings:

Figure 1 is a side elevation of the machine embodying myV improvements.Fig. 2 is a top plan view of the same. Figs 3 and 4 are end elevationsthereof viewed from opposite ends of the same. Fig. 5 is a fragmentarylongitudinal section, on an Venlarged scale, taken on line 5-5, Fig. 2.Figs. 6 and 7 are transverse sections taken on the correspondinglynumbered lines in Fig. 5. Fig. 8 is a fragmentary top plan view, partlyin section and on an enlarged scale, showing more particularly the meansfor adjusting the track or alinement and tightening the band saw, andthe means for gaging and presenting the stave blanks to the saw. Fig. 9is a vertical transverse section taken on line 9 9, Fig. 8. Fig. 10 is afragmentary side elevation, on an enlarged Vscale and partly in section,showing more particularly the means for guiding the saw in curved format the place where the same operates upon the stave blanks for j ointingthe same. Fig. 11 is a horizontalsection taken on line 11-11, Fig. 10.Figs 12, 13, 1d and 15 are vertical cross sections taken on thecorrespondingly numbered lines in Fig. 10. Fig.

16 is afragmentary horizontal section taken. on line 16-16, Fig. 13.'Fig. 17 is a frag-` Specieaton of Letters Patent.

Patented May 27, 1919.

Serial No. 147,011.

mentary horizontal section of the machine, on an enlarged scale, takenon line 17-17, Fig. 1. Fig. 1S is a fragmentary vertical transversesection taken on line 18-18, Fig. 17. Fig. 19 is a fragmentarylongitudinal section, on an enlarged scale, taken on line 19-19, Fig.17. Fig. 20` is a horizontal section, on an enlarged scale, taken online 20-20, Eig. 3. Fig. 21 is a plan view of a stave blank showing themanner in which the same is jointed by means of my improved machine.

Similar characters of reference indicate corresponding parts throughoutthe several views.

The purpose of this machine is to produce convex cuts or joints onVopposite longitudinal edges of a stave blank, so that a plurality ofstaves thus formed will produce a bilge barrel when assembled whichtapers from its central enlarged part toward its opposite ends. ln Fig.21 the oblong stave blank is represented by full lines 1V and the convexjoints which are produced at opposite longitudinal edges of this blankare represented by the dotted lines 2.

The main frame of the machine in which 'the several working parts aremounted may be of various forms but as shown in the drawings the samepreferably comprises a longitudinal body, beam or girder 8 and twosubstantially A-shaped standards or pedestals 4f, 5 which support thebody at its opposite ends and rest upon the floor.

G represents the endless band saw which has its fiat sides arrangedvertically and its teeth 7 arranged at the lower edge thereof and whichis so mounted as to form two longitudinal operative stretches and twoturns which connect corresponding ends of the operative stretches. Theturns of this saw pass around two supporting pulleys or wheels 8, 9which are mounted to revolve about vertical axes. One of these sawsupporting` pulleys o-r wheels, for instance the pulley 8 is mounted onthe upper end of an upright driving shaft lO which is journaled insuitable bearings 11 on the adjacent end of the main frame and providednear its lower end with a driving pulley 12 to which power may betransmitted from any suitable source by means of a driving belt. Theother band saw pulley or wheel 9 is so mounted that the same may bemoved bodily toward and from its companion pulley 8 for the purpose oftightening the band saw and the saine is also capable of being tilted inorder` to cause the band saw to track properly orrun Vtrue thereonwithout liability of creeping on this wheel or throwing the sameV out ofalinement. The means whereby this is accomplished are best shown inFigs. 2,- 5,`

horizontally movable carriageor slide 16 byV means of a horizontal pivotpin 17 which vpasses transversely thro-ugh the adjustingv arm adjacentto the arbor and'has its opp'osite lends arranged in inwardly projectingarms 18 formed on this carriage. The latter is guided at its oppositelongitudinal edges-'in gu-ideways 19, 19 formed-y horizontally andlengthwise` on the upper part ofY the main frame. VvThe tilting movementof they adjusting' arm andthe parts mounted thereon is eifected by meansof an upright adjusting screw 2O arranged in a threaded o enino in theinner end of this arm and bearing at its lower end on a'horizontalbear'- 1ng-su-rface21 formed on the upper side of the adjacent part ofthe-main frame and'V provided at its upper end withy a hand wheel' or`handle 22 for turning the saine. The weight of the adjusting arm andassociated parts together with thel pull on the band' saw against thesupporting wheel 9 causesA the lower end of the adjusting screw 20toremainA in engagement with the bearing surface 2.1. By turning thisscrew in one direction or the other the adjusting arm-and thecorresponding saw supporting wheel may be tilted asl required to causethe same. to run true and properly about bothV supporting wheels. Afteradjustment the screw I20` may beheld in place by any suitable means, forinstance by means of a locking pin 23v arranged in a horizontal guideopening in'the inner end of the adjusting arm and bearing against this:adjusting' screw, and a-cl'amping screw 24 arranged in a. threadedkopen-ing in the adjusting arm and bearing 'against this clamping pin,as shown in Fig. 5.

' The means whereby the adjusting arm and associated parts are adjustedlength-.wisey of the-machine `for adapting the supporting pulley 9 tothe length of the'saw and take up any slack inthe same preferablycomprise an upright tension adjusting lever which is pivoted by means ofa 'horizontal transverse pin 25 to a pair of lugs 26 pro-V vlength ofthe machine.

the main frame.- This lever is vprovided with a lower arm `27 whichprojects downwardly through an opening 28 in theV main frame and abifurcated upper arm each branch or member 29 of which has acircularopening 30 the axis of which is arranged horizontally andtransversely relative to the Below the upper part of the main frame isarranged a horizontal pressure bar 31 which is' secured at its innerend-v in'v an opening-in the lower arm of 4the tension lever by means ofa set screw 32 -so that -thisbarinv effect forms a-partvof this lever.VTo the Aouter endl-of this bar is- VVattached the upper end ofa weightrod 33 which latter carries at its lower: endfa weight which ispref'c-irablyr made up of a plurality of sections'3`4, 'as yshown 'inFigs. 1,3, 4 and 5. Evy-*varying'the'number of weight 'sections anclalsoadjustingthe bar 31 relative to the lowerfarmof? the tension lever theeffect of the latte-r `for holding the band saw taut maybe variedasrequired. Extending horizontaillyfandY transversely through thecircular' openings inthe two upperv arm branches o-f the tension vis aful-'Crum screw nut or yblockr'A which is preferably square in crosslsection and so: arranged that it bears with its upper and .lowercorn-ers as knife edges against thesides-ofthese openings and therebyproduces an easy' working contact between this fulcrum block'and thetension lever. crum block or screw nut is arranged' between the upperarm-branches of the tension lever which opening receives the screwthreaded inner andof air adjusting rod 3.6.V They latterj'is connectedat its. outer end by a swivel j'oilnt with theadjacent1in-ner endrof theadjusting arm. This swivel'joint 'may be variously vconstructed but:preferably by aV screw nut37 secu-red' to the outer end of this rodvand arranged within. al pocket 38 in the inner end ofthe adjnstingarm.,as shownv in Fig.; By means of this adjusting rod the pullot'theweightsA 34 is transmitted from the ytension lever to theadjusting arm so that the latter" is shifted outwardly lengthwise of themachinel and the supporting wheel 9i is caused tof bear yielfdinglyagainst the respective turn of the band saw',` so that n'oundue slackeXi'sts ini the same.v By turning" the adjusting rodv 36 the relative fposition ofthe tensionlever and the-adjusting arm'fmay be determined to;pro-duce thel most effective results,y the. turning' of this rod being`preferably effectedL by means of a hand wheel 39'l applied 'theretobetween the fulcruin block andthe adjusting arm, as shown Figs;s2, 5and' 8. 40, 41 represent semi-'circular outer guard arranged around theouter sides of the turns ofthe band saw. The guard 40 associated Thethreadedopening ofthe fuly with the supporting wheel .e8 is Apreferablysupported on the main frame by means of a plurality of supporting armsv42 which are arranged substantially radiallyrelatively to this wheeland on the underside lthereofv andl connected at their outeriends with`the lower edges of. the guardi 40 by means oi clips 43 while their innerends are mounted on supporting lugs 44 on the adjacent -part of the mainframe. `The guard 41 associated with the bodily movablesupporting wheel9 supported by means ofra pluralityv of sup-V porting arms 45, 46-arranged substantially radially below this wheel and secured at theirouter ends-to the lower edge'of the guard 41 by means of clips 47 whiletheir inner ends are mounted in lugs 4S on the horizontally movablecarriage 16, as shown in Figs. 5 and 8. The arms 46 supporting theextremities' ofthe Vguard 41 arie preferably formed from a continuousyrod which latter passes withv itsj ,central part through an opening 49inthe adjusting arm, which opening is preferably madey sutiicientlylarge. as shown in Fig. 5,4tofpermit the adjusting arm to movevertically the requisite extent as may be necessary fortilting thesupporting wheel 9 and causing thelband saw to' run true. v y Y 1^ 1nthe organization` of lthis machine?, ,as

.- shown inthe drawings, means are provided for presenting stave blanksto each of the longitudinal stretches of' the bandsaw so that Atwooperators'can be engaged in this work at the same time, whereby thisniachine, in effect, is .doubled and its capacity increased accordingly.If desired, however,

'my improvements maybe .applied to only one stretch of the saw andinthe'ollowi-ng description of the parts associated withfonestretch-itis to be understoodthat the same applies to v'devicesassociated with 'both stretches of the band saw. 1n the operation' ofthis machine eachv stave blank is. moved horizontally and transversely iunderneath the saw, then the blank-'is raised'so as to cause its innerlongitudinal edge to be trimmed off on a curve by the toothed lower edgeof the saw, then the stave blankl is low# ered and the opposite4longitudinal edge thereof'is operated upon in like man-ner Afor they.purposey of completing the jointing of the stave. In order to preventthe'saw Jfrom being displaced upwardly by the thrust which is exertedagainst. its lower toothed edge upon pressing a stave blank upwardlyagainst the same, guiding devices are provided whichcoperate with theband sawA adj'acent'to oppositeends of each of its operative stretches.i Each of these guiding devices preferably comprisesv a guide wheel,

roller or disk 50 whichis arranged Vhorizontally and rotates about alvertical aXis ofthe band saw. Y This guide wheel or roller is pivotallymounted o n the lower part of a bracket 51 which latter is capable ofvertical and horizontal adjustment relatively to the saw for the purposeof causing this guide roller to engage properly withthe upper edge ofthe saw. Various means may be provided for 'eecting this adjustment ofthe guide roller bracket butas shown in the drawingsv these meanscomprise an upright supporting post or rod 52 which mounted at its lowerend on' an arm 58 projecting laterally from the body of the main trame.The bracket 51 is capable of moving vertically and `also turninghorizontally on the upper end of the post. rlhe vertical movem'entof-this bracket is preferably effected by meansfof an upright adjustingscrew 54 working in a threaded opening in the upper end4 of thisbrackety and provided at its vupper lend with a hand wheel 55 while itslower end bears against an abutment 56 ar. ranged on the lower part ofthe respective supporting postv After the horizontal and verticaladjustment of this bracket has been Yeffected for bringing the guideroller 50 into the proper position this bracket is heldl firmly in placeby a clamping device whichpreferably comprises a clamping rod 57 movabletransversely in the upper part oit the bracket 51 and having a wedgingsurface 5S which engages with the periphery of the respective supportingpost. The tightening or the clamping rod is e'liected by means of ascrew nut 59 arranged on the threaded end of this rod and engaging withthe outer side of .the respective bracket 51` as shown in 1 'Each of thelongitudinal stretches of the band sawL is deilected inwardly on a'curvecorresponding to the curve which it is desired to give the longitudinaljoint edges of the staves. The means for this purpose which are shown inthe drawingsas embodying my improvements are constructed as follows: v

60 represents a plurality of outer guide bearing vblocks preferably oflignum-vitac which are arranged in a horizontal row and engage with theouter side of" an operative stretch of the band saw at a distance Vabovethev toothed lower edge thereof. These bearing blocks are so arrangedthat they deiiect the operative part of the saw inwardly and give thesame a curvature corresponding to that desired on the longitudinaledgesof the barrel staves. The several outer bearing blocks are mountedon the inner side ot a supporting plate G1 preferably of iieXible. steelby means of rivets 62, as show-n in Figs. 10,Y 14 and 15, or by othersuitable means. This flexible supporting plate is secured on its outerside at different points in its length tothe lower ends of aplurality ofouter hangers 63, 73, by means of screws 64, as

inner guards are provided each set of fittings being adjusted forcutting barrel staves on some particular curvature. This enables themachine to be changed quicker for cutting different sizes of barrelstaves than would be possible by shifting the several inner and outerhangers and their companion bearing blocks to suit some particularcurvature of barrel stave which is required. This changing of one setofsaw curving devices for another' is readily e'ected by loosening thebolts 79 and withdrawing the same forwardly from the slotted lugs 70 of,the brackets 67 and then replacing the same with another angle barequipped with the desired guiding devices. Inasmu-ch as the withdrawalof the supporting bar from the slots 72 necessitates shifting theclamping blocks 78 into such a position that their eX- tensions 80 donot project upwardly along the inner sides of these brackets theseclamping blocks are turned vertically upon the bolts 79 so that theextensions 80 are arranged below these brackets and they` are alsoturned into this position when the angle bar is re-applied tothesebrackets. In order to retain the clamping blocks in this abnormalposition while the angle supporting bar is moved horizontally out andinto its operative position, retaining means vare provided whichpreferably consist of a friction pin or plunger 95 arranged in ahorizontal guideway 95"l in the lower part of the clamping blocks l7 8and held yieldingly in engagement with the rear or inner side of thevertical flange of the angle bar by means of a spring 96 arranged in thebottom of this guideway and the rear end ofthe plunger, as shown in Fig.9. When the clamping block is in its normal position the pin or plunger95 preferably engages with a recess 97 in the angle bar for holding theparts in place more securely. By this means the clamping blocksmay befrictionally held in their inoperative position in which their upperparts do not project behind the inner or rear sides of the respectivebrackets G7 and thereby not interfere with the free application of theangle bar to or the relnoval1 of the same from the brackets 67, therebyeXpediting the changing of the machine for cutting barrel staves ondifferent curves when this is desired.

Although various means maybe employed for presenting the stave blanks tobe cut or jointed to the band saw those preferred and embodying myimprovements are best shown in Figs. 1-4, 8, 17 and 18 and areconstructed as follows:

Adjacent to thev underside of tive stretch of the band saw is eachoperaarranged a stave blank carrier which is movable verti callyrelatively to the same on the outer side of ticle itsprefsrreflfornithis card rier comprises a rest table or support composed of aAlongitudinal bar 98 and a plurality of forwardly projecting wings or eX-tensions 99. This carrier isvmounted at its opposite ends von the outerends of two vertically swinging rockl arms or radius rods 100 which arearranged transversely underneath the adjacent part of the band saw andare pivotally mounted on the main frame by means of horizontallongitudinal pivot pins 101 passing through hubs 102 arranged on theinner ends of these rock arms and through lugs 103 arranged on the mainframe, as best shown in Figs. 2,- 8, 17 and 18. The rising and fallingmovement ofthese rock arms and the parts mounted thereon is preferablyeected'by means of a horizontal rock shaft 104 arranged lengthwise inthe lower part of the machine, a treadle 105 secured to the central partof this rock shaft and projecting outwardly therefrom, a longitudinalsupporting rod 106 mounted on the lower parts of the frame standards andprovided with two bearing hangers 107 in which .opposite ends of thisrock shaft are journaled and two shift-ing rock arms 108 projectinginwardly from said rock shaft adjacent to opposite ends thereof andconneoted at their inner ends by means of upright connecting rods 109with blocks 110 on the central parts of the carrier rock arms. Upondepressing the treadle the carrier rock arms 100 and the partsmountedthereon will be raised and upon releasing the treadle these armsand the stave carrier will be lowered bygravity. The downward movementof the stave oarrier'is limited by stops 117 which are secured to theouter ends of the supporting arms 53 in position to be engaged by theouter parts of the carrier rock arms 100, as shown in Figs. 17 and 18.The weight of this carrier and associated parts is preferablycounter-balanced by means of a spring 111 having its upper end connectedwith an adjacent part of the mainframe while its lower end is connectedwith a lateral extension 112 on one of the inner shifting rock arms 108,as shown in Figs. 1 and 4, thereby easing the work for the operator inthe act of raising the carrying table. The central part of the rockshaft 104 is preferably made square in cross section and the hub of thetreadle is provided with a corresponding shaped opening which receivesthis shaft and also with a set screw 113 adapted to clamp this hub onthis shaft at different points of its length, thereby enabling theoperator to readily place this treadle in a position which is mostconvenient for op erating the machine.

The stave blank to be cut or jointed is placed by the operator upon thecarrier or rest with one end thereof against a gage' 114 which securedto the of the table7 preferably at the left hand end thereof, as bestshown in Figs. 1, 17 and 18. l

In order tov permit of shifting the end gage into different positionslengthwise of the sta-ve carrier to suit different lengths of staves thetop of the vcarrier is provided witha plurality of openings 115 whichyare paratory to raising'this blankby means of band saw determined by alside gage 118 the carrier and cutting off its inner edge portion.V The:is thus moved forwardly underneath the which is vpreferably arrangedopposite the central part of the inner side .of the Lcarrier and in thetransverse path of the, stave blank. Ink

vided lwith an yopening or notch 119 in the central part 7of. its loweredge through which the side gage projects, as Ishown in Figs, 1,0 andV1,1. A

In @nder to prerentfthl ss'ffflm nterfering with the free upwardVmovement of the stayebla'x-nk after thejla-tter has been gag-ell on Aitsinner ledge preparatory to being trimmed by the saw this' side gage isso mounted that during the initial part of the upward mevement of theCarrier the .Same may be Withdrawn inwardly away from the inner edge efthe stave blank. For this purpese'tllesid sflsels mounted en ahermentally swinging rock arm 120 having a hub 121r which 'is pivgted bymeans of upright pin 12,2 on' a bracket' .122g monnted on one ofthesupporting arms 58 preferably the righthand one, acam 124iarranged onthe adjacentvcarrier rock arm 10.0 Mld engaging with a terne@ abutmentor roller .125 011 .the hub ofthe gage arm. and .a return spring 126surrounding the piint pin 122 and ,bearles" at eine .end against acollar 12,7 O11 this pivot pin while its opposite .end bears against thehub of ,the gage arm, shownin Fig. 19. lllhen the stave carrier isdepressed the spring 12)y moves the gage arm outwardly S0.' that theSid@ ses@ is, in its' proper position to be engaged by thestave blankwhile the same is resting on the carrier. The ontwid inovenint of thevside gage is limited by engagement ef the roller 125 with the low partofthe cani l124, as shown in Figs. '17 and 1.8,` During the iirst part of the upward movementV of the stave carrier tll 124 lerY engaging withthe" ffllslr-lZ Causes. the ses@ vllm en@ tlleSde `eig-tent which thestave blank orderbto .enable the side gage to assume this position theinner guard is' progage to be swung inwardly away from the fstave `blankand thereby -avoid displacing the latter after it has beengagedpreparatfory to being operated upon by the band saw.

Means are provided which permit of moving the stave blanks inwardly onthe stave jearrier so that its 4longitudinal edges are arranged even andin the proper position relative to the saw for trimming off thelongitudinal edges ofthe staveuniformly. This movement of the staveblanksv is preferably effected -by two evener or placing jaws 128 `whichare arranged adjacent to the outer side of the carrier anjdniountedonthe up Per ends 0f tWQ transversely Swinging evener. rock arms theirlower ends lto `a horizontalrock shaft 130, The .latter is journaledlengthwise in l29-whch are Segur-edm bearings 131 arranged ontheunderside of thestave carrier, as shown in f Figs. 1, 3, 4'

and 1.8. The weight of the evener arms and jaws normally holds the samein their outermost position and their ontward movement is limited bymeansef a StQP Cleric@ which preferably consists .of a collar132-secured lo the Central eert V0f the @vener rock .Shaft and providedwith a stop finger 13,3 yadapted to engagewith the inner side of the@dla- A cent bearing 131, assliown in Figs.- 1 and 18.l

The weight of these evener arms and jaws is preferably counterfbalancedfor easing the work ofthe operator by means ofa weight'l'lfwhich issecured to a'rod 135 depending from the lower lside o f the stop` Ycollar 132, as shown in Figs. 1, 3, l and 18. This weight is preferablysecured eccentrr cally t0 ShS-SHPPOFlPDs rnd 'by means of a set screw136, sothat by turning this weight en this rod the effect QfA the sainemay beadjusted to. secure the desired A count,er-baleneng of the evener.In order toenable the operator to conveniently shiftthe evening arms andjaws with either one or both of his hands the jaws are provided withlaterallyv projecting .handles Y137 which are arranged adjacent to theupper surface of the stave carrier. By this means the operator can shiftthe cvener and at'the same time hold the stave blank upon the stavecarrier, thereby preventing the stave blank from being displaced whilethe same is being fed inwardly over the stave carrier-against the sidegage and underneath the saw. Inasmuch las both l@vener jaws are mountedon. the rock shaft 130 the saine are compelled to'niove transversely inunison, thereby insuring-moving the stave blank in .parallelism acrossthestave carrier and insure proper presentation ef its innerlongitudinaly edge to ,the band'r fsaw.' for trimming it even anduniformly.

The centraland end portions of the evener rock .Shaft .arepref@le'lvl'yY mail@ .Square and the hub Qi the Stop lfinger is.provided Witt-1a correspondingly shaped opening to receive the -centralsquarepart of the shaft and the hubs of the evener rock arms arerlikewise provided with correspondingly shaped openings which receive theendl portionsl of this shaft, thereby compelling these parts to turnwith the evener shaft but permitting the same to be adjusted lengthwisethereon yinto differentl posit-ions as best suits, the particular stavewhichis being Operated upon and also to lsuit the convenience oftheoperator. After adjustment these parts areretaine'd in their roperpositionV on they evener rock shaft y means ofset screws 138, 139, asshown for linstancefin Figs. 1 and 18':

" While the'staveblank -is resting on the Vvstave carrier and beingmoved upwardly 'of a socket against the teeth of the `band saw thelatter produces a pull upon the stave carrier which in the absence ofany provision to prevent it might tend to displace the sameb This,however, is preventedby a retaining/device,

which, as shown in Figs. 2, 8', 17 and-18 preferably comprises ananti-friction roller 140 mounted on the left hand carrier .rock arm 100and engaging with Van abutment surface. which is provided by a lug 141secured. to the upper side of the left hand supporting arm 53.

1n order to hold on the, stave carrier 'after the same has beengaged andpermit theoperatorto remove his hands lfrom the stave blank after theinitial part of the upward movement of the carrier has been effected aholding device is provided which preferably comprises one or morepresser pins 142 which are adapted to engage with the ,upper side of thestave blank adjacent to the outer,v side of the saw before thestaveblank is lengaged by the same. Three vof such presser pins arearranged vertically and in a longitudinal row lengthwise of the Vpath ofthe saw. Each of these presser pinshas its upper end .guided inavertical guideway 143 formed'in one of the hangers 73, as best shown inFigs. 10 and 13 and is yieldingly held in its lowered position, so thatits lower endis arranged below the teeth of the sawoby means of a spring144, arranged in the guideway and bearing at its lower end against thebottom 145 formed in the upper end of the presser pin while its upperend bears Vagainst the undersideY of the horizontal {iange of thesupporting angle bar. .The downward movement of each presser pin 1slimited by a downwardly facing shoulder 146 formed on the exteriorthereofand en- 'gagingwith an upwardly facingvshoulder 147 formed inthey lower part of the guideway 143, as shown in Fig. 13. Upon lifting astave blank by means of the stave ,carrier it is rst engaged on itsupper side by the presser pins which operate to hold the stave the staveblankin place.

blank against the saw, as well as during the irst'part of its downwardmovement after Ythe trimming operation has been completed.

'Byithis means the operator-may remove his Vthat the same engage withthe outer'longitudinal edge vof the respective stave blank and move thesame underneath the sawand into engagement with the side gage.V The.treadleis now depressed which causes the stave carrier to lift thestave blank and move its innerlongitudinal portion across the path ofthe saw whereby the respectivepart of the stave blank is trimmed off ona lcurve suitablefor forming a joint with others in making-a bilgebarrel. As soon as thesaw' engages the stave blank thev operator may re-Y lease the evener jaws so that lthey return to their Aouter inoperativeposition and after the cutting operation has been performed the treadleis released sothat the stave carrier may drop into its lower inoperativeposition after which the operatorv reverses the stave lfor trimming itsopposite longitudnial edge, thisoperation being repeated in like mannerwith each successive stave.

,Thisv machine is very efficient inoperation and permits of jointiiigbarrel staves eXpeditiously andeconomically with comparative safety forthe operator*7 with a mini mum amount of wear on the working parts and aminimum expenditure of power.` 1t has nor delicate parts which arelikely to get out of Order, all' of its workingparts are arrangedconveniently and are readily accessible foi'inspection, adjustment andrepairs.

Owing to the fact that the workmen stand outside of thel machine whileoperating it Athe operation of the machine can be attended with greater'freedom, safety and comfort to the operator.

T claim as my invention: p 1'. A stave jointer comprisingy a pair ofsupporting wheels, a band saw mounted on said wheels and means fordeflecting said saw between said wheels comprising a plura'lityv ofguide blocks arranged in a longitudinal row and engaging with the sideof lsaid saw, a flexible plate on which said blocks are mounted andmeans for lieXing said plate.v

2. A stave jointer comprising a pair of supporting wheels, a band sawmounted on said wheels, and [means for' deflecting said 'saw betweensaid wheels'coinprising a plu-1 rality of bearing blocks engaging withthe side .of said saw, a lleXible'plate ,on which said blocks aremounted, means for flexing said plate, av supporting bar arranged ad-`jacent :to the saw, and a4 plurality of hangers connecting said barwithy said plate.

'3. A stave jointer comprisinga pair of plstably connecting saidfhangerswith said 4. A stave jointer vcomprising a pair of vsupporting wheels, abandtsaw mounted on .Said wheels, and means 'for deflecting said sawbetween said wheels comprising aplurality of bearing blocks engagingwith the sideof said saw, a `flexible plate on which said blocks aremounted, asupporting bar arranged adjacent to the saw, a plurality ofhangers connected l'gwith said plate, and means for adjustablyconnecting said hangers with. said Abar comprising av clamping screwconnecting, each of said hangers with said platea push screw mounted' onsaid barand engagingwith said hangen'and a draw screw mounted on saidbar and engaging withA said hanger.

5. A stave jointer comprising a pair of supporting wheels, a bandA sawmounted on said wheels, andmeans for deilectingv said saw between saidwheels comprising a plurality of bearing Vblocks engaging with the sideof said saw, -a iieXible plate on which said blocks are mounted, asupporting bar arranged .adjacentto the saw, a plurality of hangersYconnected with said fplate, and means forl adjustably connectingsaidhang- Vers with said bar' comprising a .clamping Screwconnecting'each .of said hangers with saidiplate,l a vpush screw mountedon said bar and engaging with said hanger,sand a draw screw mounted onsaid bar andenaging withv said hanger, said push and draw screws beingarranged at rightvangles to said clamping screw. y 6. A stave jointercomprising a band saw, a plurality of bearing blocks engaging. with oneside` of said saw .and operating-to defleet the same, a pluralityofindividually adjustable retainingblocks engaging with different partsofthe opposite side of said saw, a supporting bar on which said `blocksare mounted, amain frame, and means for detachably connecting said barwith lsaid frame.

7, A stavejointer comprising a band-saw, a pluralityiof bearing blocksengaging with one sdefof said saw and operatngto de- .ing block f withsaid bar,

fleet the same, apluralityiof individually adjustable retaining :blocksengaging with different parts of the opposite side of said saw, Y

a supporting baron which said blocks ,are mounted, a main frame, andymeans for detachablyA connecting said Vbar with said frame kcomprisingbrackets mounted-lon the frame Iand, provided with outwardly openingslots, and b oltsarranged insaid slots" :and connecting with'said bar.'

t 8. A ystave Jointer comprising a band saw, a pluralityof bearingblocks engaging with one side of saidsaw and operating to deflect thesame, a plurality of retaining blocks en-V ,and connecting .with saidbar, Clamping blocks arranged on the innerY side'of said bar and:projecting upwardly behind said brackets, a pivot bolt connectingeachclampscrew arranged on each clamping block and engaging with, therearside of said bracket. 9. A stave jointer comprising a band saw,

.and an adjusting l a plurality .of bearingblocks engaging with t oneside ofsaid saw and'v operating to delect the same,` -a plurality', ofindividually adjustable retaining blocks engaging with different partsofthe opposite side of said saw, a supporting bar on which said vblocksare mounted, a'main frame,and^1neans for detachably connectingVs'aidybar with said frame comprising brackets mounted on the frame andprovided with'outwardly opening slotspand bolts arranged in said slots,and 'connecting with said bar, clamping blocks arranged on the inner,side of said bar and projecting. upwardly behind saidv brackets, vapivot bolt connecting each clampin'gublock with said `bar, an adjustcing Screw arranged onfeach clamping block and engaging with the rearsideof said bracket and a yielding detent device for holdingsaid clamping`:block in position relatively to said'- bar and bracket;

10. A staveV jointer. comprising a band saw, a pluralityofybearingblocks `engaging with one side of said sa-w and operating to deflect,the same, a plurality of retaining blocks engaging with. the `oppositeside of -said saw,.a .supportingbar 0n which said blocks? are4 mounted,V a Amain frame, and means for ldetachaloly. connecting said `bar withsaidtgfralne comprising brackets mount-Y ed von the' frame and providedwith. outwardly openingslots, and bolts arranged in said slots' ,and4connectingwith said bar,

clampingr blocks ar-ranged on the inner Y, side of said bar andprojecting upwardly behind said brackets, a pivot bolt connecting eachclamping block With said bar, an adjusting screw arranged 0n eachclamping block and engaging with the rear Side of said bracket, and ayielding detent device for holding said clamping block in positionrelatively to said bar and bracket comprising a detent pin arranged in aguideway in said clamping block and engaging With the inner side of 10of said pin.

EDWIN F. BEUGLER.

Copies of this patent may be obtained for ve cents each, by addressingthe Commissioner of Patents, Washington, D. C.

